The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2025
Filed:
Sep. 24, 2021
Applicant:
Foster Electric Company, Limited, Tokyo, JP;
Inventors:
Eiichiro Suzuki, Tokyo, JP;
Yusuke Yoshizawa, Tokyo, JP;
Assignee:
Foster Electric Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/20 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
H04R 7/20 (2013.01); H04R 31/003 (2013.01); H04R 2231/003 (2013.01); H04R 2307/204 (2013.01); H04R 2400/11 (2013.01); H04R 2499/13 (2013.01);
Abstract
A speaker includes: an edge having an outer circumference attached on an edge mounting portion of a resin frame by a resin ring provided on a front surface of the outer circumference. Interposed between the edge mounting portion and the resin ring is a projection-like energy director having a part abutting on one of the members and being melted from the part by ultrasonic waves.